Luokka Biokemiabulgariaenglantiespanjaesperantohollantiitaliajapanikreikkalatinalatvialiettuanorjaportugalipuolaranskaruotsisaksasuomitanskaturkkitšekkiunkarivenäjäviro

nociceptin noctilucine nonactic acid nonapeptide nonchromatin nonexpressing nonlysine nonphosphorylated nonselecting nonsubstrate nopaline norrin noscapine novex nucleic acid nuclein nucleo- nucleobase nucleoprotein nucleoside nucleotide nudicauline obscurin obtustatin octaheme octarepeat oenin oleocanthal oligo oligoarginine oligodeoxyribonucleotide oligopeptide oligoribonucleotide oligoubiquitin

oligoubiquitination opal opine opiomelanocortin opsin orexin organofunctional orotidine orthosteric osmoprotectant osmosensor ossein osteonectin osteopontin oxaloacetic acid oxidative stress oxononanoate oxyhaemocyanin oxyhaemoglobin oxylipin oxyluciferin oxyproline PAH palmitoylation palmitoylcarnitine palmitoylethanolamide pangamic acid pantetheine panthenol pantherine paragloboside paraglobulin paralbumin

paramylon parapeptone parasporal paratope pardaxin parkin patavine pathomolecular pathway pavoninin paxilline PCP PEA pectic pectolytic pectose pectous pegylate penicillinase pentapeptide pentaphosphorylated pentetreotide pentobarbital pepsinhydrochloric acid pepsinogen peptaibol peptide peptide bond peptide chain peptide nucleic acid peptidoglycan peptidome peptidomics